I now run Esso Synergy + in the Morgan. It is E5, but in this area should be ethanol free - the biggest worry is all the fuel pipes and seals that are very unlikely to be e10 compliant.

Graham (G4FUJ)

Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW